patch 8.2.4673: redrawing a split window is slow when using CTRL-F and CTRL-B

Problem:    Redrawing a vertically split window is slow when using CTRL-F and
            CTRL-B.
Solution:   When deciding on USE_REDRAW bail out if scrolling more than three
            lines. (issue #8002)
diff --git a/src/version.c b/src/version.c
index 3fec52e..9b92724 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4673,
+/**/
     4672,
 /**/
     4671,